Secure Sensitive Data Sharing

crypt.fyi enables zero-knowledge end-to-end encrypted sensitive data sharing with automatic deletion

1. Encrypt

Your secret is encrypted in your browser before being stored

2. Share

Send the secure link to your intended recipient

3. Auto-Delete

Secret is permanently deleted after being viewed

Features

End-to-end Encryption

Secure your data with AES-256-GCM encryption before it leaves your browser

Enhanced Security

Strict Content Security Policy (CSP) and rate limits to mitigate XSS and brute-force attacks

Zero-knowledge

Our servers never see your unencrypted data - only you and your recipient have access

Burn After Reading

Automatically destroy secrets after they are accessed for maximum security

Burn After Failed Attempts

Automatically destroy secrets after a number of failed access attempts for enhanced security

Auto-Expiration

Set custom expiration times to ensure secrets don't persist longer than needed

Password Protection

Add an extra layer of security with optional password protection

File Sharing

Securely share files with simple drag and drop functionality

Webhooks

Get notified when your secrets are accessed, burned, or fail to be read

IP Restrictions

Control access by limiting which IP addresses or CIDR ranges can view your secrets

Read Limits

Set maximum view counts to restrict how many times a secret can be accessed

QR Codes

Generate QR codes for easy mobile sharing of your secret URLs

CLI Tool

Automate secret sharing with our command-line interface

Chrome Extension

Share secrets directly from your browser in-context with our Chrome extension

Docker Support

Deploy your own instance using our official Docker images